mirror of
https://github.com/OPM/ResInsight.git
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50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017- Statoil ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "exprtk/exprtk.hpp"
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#include <QString>
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//==================================================================================================
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///
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//==================================================================================================
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class ExpressionParserImpl
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{
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typedef exprtk::symbol_table<double> symbol_table_t;
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typedef exprtk::expression<double> expression_t;
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typedef exprtk::parser<double> parser_t;
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public:
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ExpressionParserImpl();
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static std::vector<QString> detectReferencedVariables(const QString& expression);
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void assignVector(const QString& variableName, std::vector<double>& vector);
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bool evaluate(const QString& expressionText, QString* errorText = nullptr);
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static QString expandIfStatements(const QString& expressionText);
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private:
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QString parserErrorText(parser_t& parser);
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private:
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symbol_table_t m_symbol_table;
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};
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